#345DB5#345DB5

#345DB5 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.7% C 0.147 H 263.3°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#345DB5
RGB	rgb(52, 93, 181)
HSL	hsl(221, 55%, 46%)
HSV	hsv(221, 71%, 71%)
CMYK	cmyk(71.3%, 48.6%, 0%, 29%)
CIE-LAB	lab(41.05, 16.07, -50.93)
CIE-LCH	lch(41.05, 53.40, 287.51°)
OKLab	oklab(49.73% -0.0172 -0.1461)
OKLCH	oklch(49.73% 0.147 263.3)
XYZ	xyz(13.6681, 11.8935, 45.2825)
Luminance	0.1190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345DB5 #B58C34

analogous

#349DB5 #345DB5 #4B34B5

triadic

#345DB5 #B5345D #5DB534

tetradic

#345DB5 #B5349D #B58C34 #34B54B

square

#345DB5 #B5349D #B58C34 #34B54B

split-complementary

#345DB5 #B54B34 #9DB534

monochromatic

#192C56 #264585 #345DB5 #577DCF #87A2DC

Accessibility & contrast

On white

6.21

#345DB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#345DB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345DB5

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345DB5	#FFFFFF	#000000	##FFFFFF
##345DB5	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D67B8

Deuteranopia (green-blind)

#055BB3

Tritanopia (blue-blind)

#007280

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345db5;
/* rgb */ color: rgb(52, 93, 181);
/* oklch */ color: oklch(49.7% 0.147 263.3);

Tailwind

colors: {
  custom: {
    50: '#7b8acc',
    500: '#345db5',
    950: '#000000',
  },
}

SCSS

$custom: #345db5;
$custom-light: #7b8acc;
$custom-dark: #000000;

JSON

{
  "hex": "#345db5",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 181
  },
  "hsl": {
    "h": 220.93,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.49726,
    "c": 0.14713,
    "h": 263.3
  },
  "luminance": 0.11895
}

Semantic roles & 50–950 ramp

primary

#345DB5

secondary

#C6AF7F

accent

#AF49DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #345DB5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →